Dayton, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -7° -31.7° (1994) 23.9° (1906) 2.6" 9.9"
February -5° -33.3° (1899) 22.8° (2000) 2.29" 6.5"
March -1° -21.7° (1980) 30.6° (1910) 3.29" 4.8"
April 16° -9.4° (1972) 32.2° (1942) 4.03" 0.8"
May 11° 22° -3.3° (1963) 36.7° (1911) 4.17" 0"
June 16° 27° 2.8° (1913) 38.9° (1988) 4.21" 0"
July 18° 29° 6.7° (1972) 42.2° (1901) 3.75" 0"
August 17° 28° 2.8° (1915) 40.6° (1918) 3.49" 0"
September 13° 24° -1.7° (1913) 38.9° (1899) 2.65" 0"
October 18° -7.8° (1895) 33.9° (1900) 2.72" 0.4"
November 10° -18.9° (1958) 30° (1909) 3.3" 1.4"
December -4° -28.9° (1989) 22.2° (1998) 3.08" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 -1.7° 6.1° -16° (1964) 19° (1970) 0.11" NA
Dec 2 -1.7° 6.1° -16° (1976) 22° (1982) 0.11" NA
Dec 3 -2.2° 6.1° -18° (1929) 22° (1982) 0.11" NA
Dec 4 -2.2° 5.6° -13° (1991) 20° (1998) 0.11" NA
Dec 5 -2.2° 5.6° -14° (1901) 20° (2001) 0.11" NA
Dec 6 -2.8° 5.6° -18° (1977) 22° (1998) 0.11" NA
Dec 7 -2.8° -18° (1977) 20° (1998) 0.1" NA
Dec 8 -2.8° -14° (1917) 19° (1966) 0.1" NA
Dec 9 -3.3° 4.4° -22° (1917) 18° (1946) 0.1" NA
Dec 10 -3.3° 4.4° -23° (1958) 19° (1971) 0.1" NA
Dec 11 -3.3° 4.4° -24° (1917) 19° (1931) 0.1" NA
Dec 12 -3.9° 3.9° -21° (1917) 17° (1972) 0.1" NA
Dec 13 -3.9° 3.9° -21° (1960) 19° (1901) 0.1" NA
Dec 14 -3.9° 3.9° -26° (1898) 19° (1901) 0.1" NA
Dec 15 -4.4° 3.3° -23° (1901) 17° (1948) 0.1" NA
Dec 16 -4.4° 3.3° -26° (1951) 18° (1933) 0.1" NA
Dec 17 -4.4° 3.3° -22° (1989) 19° (1984) 0.1" NA
Dec 18 -4.4° 3.3° -19° (1989) 17° (1967) 0.1" NA
Dec 19 -5° 2.8° -22° (1963) 16° (1924) 0.1" NA
Dec 20 -5° 2.8° -24° (1963) 17° (1895) 0.1" NA
Dec 21 -5° 2.8° -26° (1989) 18° (1967) 0.1" NA
Dec 22 -5° 2.2° -29° (1989) 17° (1941) 0.1" NA
Dec 23 -5.6° 2.2° -22° (1960) 15° (1957) 0.1" NA
Dec 24 -5.6° 2.2° -26° (1983) 19° (1964) 0.09" NA
Dec 25 -5.6° 2.2° -25° (1983) 18° (1893) 0.09" NA
Dec 26 -5.6° 2.2° -21° (1983) 16° (1922) 0.09" NA
Dec 27 -6.1° 1.7° -20° (1950) 18° (1959) 0.09" NA
Dec 28 -6.1° 1.7° -21° (1924) 18° (1984) 0.09" NA
Dec 29 -6.1° 1.7° -21° (1983) 17° (1984) 0.09" NA
Dec 30 -6.1° 1.7° -25° (1917) 17° (1972) 0.09" NA
Dec 31 -6.7° 1.7° -21° (1976) 19° (1951) 0.09" NA
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